The European Commission president says increasing defense spending is necessary in "an era of rearmament." A European summit on defense and Ukraine is planned this week amid tense transatlantic relations.
Not sure, if we can completely replace US weapons, including jets and so on, already.
I guess, that much will be spend at European companies, but I'm pretty sure a bulk will go the the USA military industry
and maybe also other countries - I'm not really up-to-date with current military capabilities and production facilities in Europe or worldwide